Some useful resrouces:

• Yoga Alliance
• Yoga Journal
• Things I Learned Today -- Ronen's blog related to spirituality
• RonenRecommends.com -- Ronen's film recommendations website
• RonenDivon.com -- Ronen's personal website
• Open Heart Energy -- Ronen's energy works 
• Untamed podcast
• Guide to Eco-Friendly Yoga Mats
• Guide to selecting quality essential oils